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Updated: Jan 29, 2026

The Terroir Concept Interpreted through Grape Berry Metabolomics and Transcriptomics
Published on: October 5, 2016
Integrative Application of Transcriptomics and Metabolomics Reveals Molecular Insight into Metabolomic Variations in
Lehe Lin1,2, Yiming Pang1,2, Wengang Xu3
1National Demonstration Center for Experimental Fisheries Science Education, College of Fisheries and Life Science, Shanghai Ocean University, Shanghai 201306, China.
Abstract:
As an important economic aquatic product in China, the farming method of Eriocheir sinensis significantly impacts its quality and physiological metabolism. In this study, the effects of lake (LK) farm and pond (PD) farm on the gene expression profiles and metabolic pathways in E. sinensis were evaluated by integrating transcriptomic and metabolomic analyses. A total of 812 differentially expressed genes (DEGs) were identified in the hepatopancreas of crabs. The DEGs were mainly enriched in nutrient reservoir activity, regulation of response to oxidative stress, and lipid transporter activity. In addition, LC-MS analysis identified 410 significantly differential metabolites, and KEGG pathway enrichment showed that these metabolites were mainly enriched in the MAPK signaling pathway, HIF-1 signaling pathway, and glycerolipid metabolism. Integrated transcriptomic and metabolomic analyses revealed that the AMPK signaling pathway, cytochrome P450-mediated xenobiotic metabolism, glycerophospholipid metabolism, and the apoptosis signaling pathway collectively exert a significant influence on the growth performance of crabs. Collectively, our findings demonstrated that the crabs in the LK group exhibit enhanced antioxidant and detoxification capacities, concomitant with reduced protein synthesis and energy metabolism, and underwent increased apoptotic events. The finding of this study will provide valuable and novel insight into crab farming practices in different aquaculture environments, providing theoretical foundations for optimizing ecological aquaculture models in Datong Lakes' crab farms. Specifically, combined supplementation with natural feed organisms and mechanical aeration may effectively mitigate benthic hypoxia and nutritional deficits, thereby promoting sustainable production in the lake-based culture of crabs.
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